Table 1. Means (and Standard Deviations) of the Participants’ Age and Scores on Standardized Tests of Language and Cognition.
| Variable | Group | |
|---|---|---|
| SLIa (N=50) | NLb (N=50) | |
| CAc | 93.62 (12.51) | 92.96 (12.15) |
| PPVT-Rd | 94.56* (10.94) | 117.85 (17.07) |
| TACL-Re | 41.00* (7.93) | 52.85 (8.17) |
| CMMSf | 103.50* (9.81) | 113.38 (11.16) |
a
Specific language impairment
b
Normal language
c
Chronological age in months
d
Standard scores on the Peabody Picture Vocabulary Test-Revised
e
Standard scores on the Test for the Auditory Comprehension of Language-Revised
f
Age deviation scores (standard scores) on the Columbia Mental Maturity Scale
*
p<.001